8 pcs (2x4) E-Cron® brush. Oral B Pulsonic (SR32-4) replacement. Fully compatible with the following models of electric toothbrushes Oral-B: Pulsonic Slim, Pulsonic and Pulsonic Smart Series.
Since the Oral-B essays are quite expensive, I was looking for a replacement, also in regard to overnight guests. The toothbrushes are actually very good, the fit is not quite as good as the originals, by a little more water comes under the head, you